Add Yahoo as a preferred source to see more of our stories on Google. A 1925 Popular Science illustration of Anton Flettner’s rotor ship, a “sailing ship without sails,” that amazed readers—and Albert ...

Ships harnessed winds as the primary means of propulsion for many centuries before steam engines took center stage in the 1800s; it's quite poetic how maritime travel was greenhouse gas-free long ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. On the rough and icy waters of the North Sea in 1925, an unusual ...